Multiple-power clutch



June 24, 1930. A. H. JESSEN MULTIPLE POWER CLUTCH Filed May 7, 1928 -08 or 6 0 6 Mm mH 7 .3 0 o B O a .w Wm 4 8 4fl 7 9 O m 2 9 Z LIJ O /.O M m w l a 2 m 2 5 q a m 0 O o o a o m 8 A 4 I H W 5 a a w J m. o Q I o H F W 0 4 o M ATTORNEY Fatented June 24, 1930 i i i UNITED STATES PATENT, OFFICE- Application filed May 7, 1928. Serial No. 275,873.

My invention relates to clutches, and more Describing my invention more in detail, particularly to clutches adapted for-special the numeral 2 indicates the driving member use in connection with transmission mechaor drive shaft, to which may becoupled by nism in which it is possible to run said means of the slot or cut-away portion 4 the mechanism idly, to provide for a direct sourceof power,suchas the shaft of' a modrive, or to multiply its power, or make tor, the rotation of the drive shaft 2 being brake application, although in its broader communicated by a mechanism presently to aspects it is not to be limited to such mechabe described, to a driven shaft 6 of the connisms. V ventional'or other form of transmission 8 10 I It accordingly is an object of my inven= in the casing 10, to which casing the houstion to provide a novel form of multiple ing 12 may be secured in any suitable way. power clutch comprising a set of drums as- Since said transmission forms no part of, sociated with a driving and driven member, my invention, except in combination thereof, mechanism being associated with said drums it need not befurther described. i I i 15 and said members whereby neutral position .In the housing 12 are positioned the drums may be provided for, a direct drive from 14 and l6,the latter having an inwardly ex said driving member to said driven memtending hub 17, surrounding the shaft 6 and ber, or the power developed by said drivis splined thereto, a bushing 22, if desired, ing member may multiply the power of said surrounding saidhub 17, on which bushing 30 driven member, it being also possible to is mounted the *tapered thickened portion make brake application with said clutch. I 24 of the partition 26 of the drum 14, which The above and further objects and adpartition, when the mechanism is assembled, vantages of my invention, as will hereinafter is positioned in the drum l6. f I more fully appear, 1 attain by the novel (2011- .The driven shaft 6' is preferably tapered struction described in the specificationand at '28, which tapered portion is mounted illustrated on the drawings, forming a part for rotation inthe bearing 30 mounted in the" of my application. inner .end of the drive shaft 2, the partition Reference is bad to the accompanying 26 being connected in any suitable manner drawings, in which similar reference charwith the inner casing 32 positioned within 30 acters denote similar parts. In the drawthe drum 14, to which inner casing is secured ings, .in any preferred waythe partition :34 in the Fig. l is an end elevational View, looking drum 14." .1 a a from the left in Fig. 2, a I Mounted on the drive shaft .2 is a sun Fig. 2 is a fragmentary side elevational gear 36 continually in mesh with the planet 35 view of my invention applied to a transpinions 38, mounted on the partition 26 by mission mechanism, means of shafts 40, the inner casing 32, if r Fig. 3 is a cross-sectional view, taken on desired, being cutaway or curved as at 42 the line 33, Fig. 1,. v to accommodatesaid pinions. (See Fig. 4.) Fig; 4 is a cross sectional view, taken on The planet 'pinions 38 (Fig. 3) ,have ex- 40 the line 4-4, Fig. 3, looking in the directensions 44 on-the shafts 40, prqectmg withtion of the arrows, in the drum 16, said shafts being secured Fi 5 is a cross-sectional view, taken on inany suitable manner to the partitions 34 the line 5-5, Fig. 3, r and 26 as by means of the parts 46, keyed Fig. 6 is an enlarged, fragmentary simiord'riven on said shafts, and the extensions 45 lar view,'taken on the line 6-6, Fig. 7 44 are preferably integral with the smaller Fig. 7 is a similar view, taken on the line planet-pinions 48 in'mesh w tht-he sun gear 74.7, Fi 6 and 50 splmed on the tapered port on 28 of the Fig. 8 is a fragmentary top elevational driven shaft- 6 in anypreferred view of a modification in which two of the I As seen more partlcularly in Figs. land 5b clutches may be operated simultaneously. .3 a clutching means 54, provided with are pivoted together as at'56 (Fig. 1), and

are preferably formed of two parts, having flanges or extens1ons58 (Fig. 6), between which is positioned the springs 60 (FiQts. 1

and 7), which springs hold the flanges 58 of said clutching means or band 54 apart.

To cause the clutching means 54 to friction on the inner casing 32', so that the gears will function to multiply the power from the drive shaft 2 to the driving shaft 6, so that said driven shaft will operate at a lower speed than a direct drive from the drive shaft 2 to thedriven shaft 6, the structure depicted more particularly in Figs. 6 and 7 is provided. r

. To this end the casing 12 is provided with a closure 62, secured thereto by any preferred means as the bolts 64, and said 010- sure is provided with a flanged and screwthreaded sleeve 66, visiblethrough the opening 68, the flange of said sleeveengaging one of the flanges 58 of the clutching means 54:, and extending through said flanges and into the sleeve 66 is an operating member 70, I

provided with a reduced portion -72 and a thickened portion 74, which member 1S adapted to be oscillated by the extension 7 6,

movable in the slot 78 in the closure 62, which extension is secured to the member by any suitable means 80 (Figs. 6 and 7).

The portion 7 1 is preferably secured to a cam 82 by means of a bolt or other member 84, and as said member 70 is oscillated, said cam engages with a stationary complementary cam device 86, securedto theclosure 62 by any suitable means asthe adjustable bolt 88, adjustable in the slot 90, if desired.

By oscillating the extension 76, the cams 82 and 86 coact to bring the flanges 58 together against the action of the springs 60 (Figs. 1 and 7) to cause the clutching means 54 to engage theinner casing 32 so'that the gearing hereinbefore described will function to multiply the power of the driven memher 6.

The mechanism just described is adapted to be operated by a lever or pedal or any other preferred means through the structure shown in Figs. 1 and 2, which comprises a forked lever 92 associated in any preferred way with the rod 94, opposed byithe nut and spring construction 96 (Fig. 2).

The forked lever 92 has associated therewith a pair of arms 98 provided with rollers 100 for selective engagement with the arms ofthe cam bell crank 102, pivoted to the easing 12 as at 104, the cam or cut away portion (Fig. 2) when engaged by the left roller 100 the cam devices 82 and 86 are disengaged and hence in neutral position. Moving the bell crank 102 by the operating lever 106 to the right or left causes the cam devices 82-and 86 to function to engage or release the clutching means 54. This structure permits the gearing to idle or to coact to multiply the power or operate the shaft 6 at a lower speed than direct drive. I i/Vhen .arcuate members 110 by means of the levers 11 2 (Fig. 5), the inner endsof which levers are associated in any preferred way with the shafts40 extending through the partitions 26 and 34 (Fig. 1), and are secured to three complementary arcuate members 116, their free ends 118 engaging. a conical device 120 (Fig. 'slidable on the shaft 2 and operable by a suitable shaft and lever construct-ion 121 (Fig. 1) engaging the cutaway portion 122. I v a The three circular slices 108 lock the two drums together so they rotate in unison for a direct drive when the conical member 120 is pushed outwardly as just described to actuate the members 116.

' To overcome the centrifugal action of the arcuate members 110 (Fig. 5 );the adjustable spring structure 12 1 is secured at one end to the partition 26, and the other end to each of said members. The shoes 108 are ac cordingly mechanically released by means of "the conical men-iber 120, said members being otherwise automatically engaged.

The drum 16 is provided with a service brake, preferably in the form of a'b and 126 to engage the inner periphery of said drum,

which band is operable by the device 76 (right Fig. 2) operated by a foot brake lever, if desired.

In Fig. 8 I have shown aslight modilication in which the clutch 5 1 and brake 126 may be operated simultaneously, the rod 9% having retarding springs96, actuates the two devices 76 at the same time.

While I have thus described my invention with great particularity, it is clear that-it may be modified throughout a wide range.

I therefore do notpropose to be limited to the exact details of construction shown and descrlbed, but reserve the rlght in practice to make any and all inodilicat'ions thereof that fall within the scope of the appended claims.

I claim as my invention: 1. A multiple power clutch comprising a drive shaft, a drivenshaft, a drum mounted Ian on each end of said shafts, a slidable coni cal member on said drive shaft, interconnected means in both of said drums for transmitting the power developed by said drive shaft to said driven shaft, a set of friction shoes in one of said drums, means associated with each of said shoes for automatically holding them in engagement with said drum to lock said drums together so they will rotate in unison to transmit the movement of said drive shaft directly to said driven shaft, said conical member, when said shoes are released, being adapted to overcome the centrifugal action of said shoes, and means associated with said conical member whereby the latter may release said shoes.

2. A multiple power clutch including a drive and a driven shaft, a drum mounted on said drive shaft, a drum mounted on said driven shaft, clutching means positioned within said second drum whereby said drums may be locked together so they will run in unison, means on said drive shaft for operating said clutching means, means positioned in said first drum, and extending within said second drum for transmitting the movement of said drive shaft to said driven shaft, and means associatedwith said first drum for optionally rendering said last means operative or inoperative.

3. A multiple power clutch including a drive and a driven shaft, a drum mounted on said drive shaft, a drum mounted on said driven shaft, said first drum having an extension of'smaller diameter than said second drum, projecting within said second drum, inter-meshing gears, mounted on said drive shaft, said first drum, and said driven shaft for transmitting the movement of said drive shaft to said driven shaft, and sets of means external of said first drum, and internally positioned in said second drum for permitting said drums to rotate in opposite directions, said gears running idly or optionally to multiply the power ofsaid driven shaft, and to run said drums in unison.

4. A multiple power clutch including a drive and a driven shaft, a, drum on said drive shaft, a drum on said driven shaft, said first drum having an extension projecting within said second drum, a partition on said first drum, a partition on said extension in said second drum, a set of shafts mounted on said partitions and extending through said first drum, planet pinions mounted on said shafts, a sun gear on eachof said drive and driven shafts in mesh with said pinions, a brake band on said first drum, means for clamping said band to said first drum, a service brake band on said second drum, means for clamping said-band to said second drum, locking means, internally positioned with respectto said second drum for locking said second drum to said first drum, and means, slidable on said drive shaft for operating said locking means.

5. A multiple power clutch including a drive shaft, and a driven shaft, a drum,

mounted upon each of said shafts, said first drum having a reduced extension projecting into the other of said drums, a sun gear on each of said shafts, planet pinions mounted in said first drum and adapted'to transmit the power from one of said sun gears to the other, means associated with said tioned drum, said shoes being adapted to lock said drums together to provide for high speed drive'of said shafts.

6. A multiple. power clutch including a drive and a driven shaft, a drum mounted on said drive shaft, adrum mounted on said driven shaft, clutching means positioned within said second drum whereby said drums may be locked together so they will run in unison, a conical device on said drive shaft for operating said clutching means, means positioned in said first drum, and extending Within said second drum for transmitting the movement of said drive shaft to said driven shaft, means associated with said first drum for optionally rendering said last means operative or inoperative, and a service brakeassociate d with one of said drums.

In testimony whereof I have signed my name to this specification.

ARNOLD 1-1 JESSEN. 

